For a while there, Charles Dickens was suffering from insomnia, so he took up walking “houseless” around London until the sun came up. A great portrait of a city and state of mind:
The restlessness of a great city, and the way in which it tumbles and tosses before it can get to sleep, formed one of the first entertainments offered to the contemplation of us houseless people. It lasted about two hours. We lost a great deal of companionship when the late public-houses turned their lamps out, and when the potmen thrust the last brawling drunkards into the street; but stray vehicles and stray people were left us, after that. If we were very lucky, a policeman’s rattle sprang and a fray turned up; but, in general, surprisingly little of this diversion was provided. […]
At length these flickering sparks would die away, worn out–the last veritable sparks of waking life trailed from some late pieman or hot-potato man–and London would sink to rest. And then the yearning of the houseless mind would be for any sign of company, any lighted place, any movement, anything suggestive of any one being up–nay, even so much as awake, for the houseless eye looked out for lights in windows.